I...guess that's not inaccurate. If my body were destroyed, or a virus corrupted my systems, without a backup my memories would be gone.

[It's a disquieting thing to consider, and frankly, 9S had chosen the notion of destruction over the sacrifice of his memories with 2B in the past. Faced with the same choice...well. Circumstances are different. She's here, now. And so are the humans they had been meant to defend]

Anyone with a mind of their own has thing they do and don't say, right?

[A question in order to answer another question, but he does pick up on the pointed nature of her interest]